import random

def hangman(word="python"):
     mask = "-" * len(word)
     attempts = 0
     while mask != word:
         letter = raw_input(mask + "(" + str(attempts) + "): ")
         if not letter in word:
             attempts += 1
             if attempts == 6:
                 return -1
         newmask = ""
         for i in range(len(word)):
             if word[i] == letter:
                 newmask += word[i]
             else:
                 newmask += mask[i]
         mask = newmask
     print mask
     return attempts